Assistant Director of Early Literacy (K-3)

About Mastery:   Founded in 2001, Mastery Schools is a public charter network of 23 K-12 schools in Philadelphia and Camden, serving more than 14,000 students.    At Mastery, we’re on a mission to provide all students with the academic and personal skills they need to succeed after graduation and pursue their dreams. Student achievement is not just a goal for our organization; it's the reason we exist, and every member of our team is dedicated to securing student success. We are also committed to pursuing equity, actively disrupting systemic racism, and addressing the disparities that limit our students' choices.    Our culture is built on respect, service, and the belief that the success of our students, their families, and the communities we serve will help us achieve our mission. We foster a positive, open, and inclusive environment where honesty, humor, and continuous improvement are celebrated.    Join us in creating a model urban school district that serves all students with excellence. Together, we can make a lasting impact. Position Summary: The Assistant Director of K-3 Literacy ensures that Mastery Schools students develop the foundational literacy skills, knowledge, and instructional experiences necessary to become successful, independent readers and writers. Reporting to the Director of Early Literacy, the Assistant Director partners with schools to strengthen Tier 1 instruction, teacher practice, and implementation of evidence-based literacy programming grounde